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by czr80 4565 days ago
Probably selection bias.
3 comments
BlackDeath3 4565 days ago
Do you have a Facebook account? Sign in with Facebook to vote!
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medell 4565 days ago
Exactly. People who don't have it would be more inclined to click and vote.
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deadslow 4565 days ago
+ number of people who are really leaving the site.
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